Sentences with phrase «of cnidarian»

In our discussion below we therefore refer to descendants of the placozoan — cnidarian — bilaterian last common ancestor as Eumetazoa, and reserve «Eumetazoa sensu stricto» for the more limited clade defined by descendants of the cnidarian — bilaterian ancestor.

The Effect of a DNA Damaging Agent on Embryonic Cell Cycles of the Cnidarian Hydractinia echinata.

Dendrogramma «s shape is a little like that of a cnidarian — a group containing the jellyfish — but all of the specimens lack the stinging tentacles that are a feature of this group.

Whereas the acceleration of cnidarian nematocysts is driven by high internal pressure, the dinoflagellates lack the necessary metabolic pathways.

According to Prof. Holstein, the leading hypothesis assumes that they originated from organelles of similar construction and function in unicellular organisms that were absorbed as symbionts by early precursors of cnidarians.

«The stinging nematocysts of cnidarians closely resemble those of dinoflagellates, but the ballistic mechanisms are different and they don't appear to share any genes.»

The apparent link between environmental stress and degraded coral health, and the recent information demonstrating the complexity of the cnidarians, highlights the need to now understand the biology of the coral host and host responses in these patterns of change.

A whopping 97 to 99.7 percent of the cnidarians (jellyfish and siphonophores) have the ability to glow; meanwhile half of the fishes and cephalopods produce their own light.

The DNA analysis indicates that myxozoans belong to the phylum of cnidarians, which includes over 10,000 species like jellyfish, sea anemones and corals.

Not exact matches

Ana Riesgo states that «they have more complex morphological characteristics than other sponges and, in the case of Corticium, they follow the same process of gametogenesis than cnidarians.»

Moreover, the presence of DMRT1 gene, also present in cnidarians, confirms «the great heterogeneity of sponges despite their simple morphology,» affirms the expert.

Cartwright said the confirmation that myxozoans are cnidarians would necessitate the re-classification of Myxozoa into the phylum Cnidaria.

In order to determine what the root of their family tree looked like, biologists need reliable dating information for the most ancient animal subgroups — the sponges, cnidarians, comb jellies and placozoans.

Genome sequencing confirms that myxozoans, a diverse group of microscopic parasites that infect invertebrate and vertebrate hosts, are actually are «highly reduced» cnidarians — the phylum that includes jellyfish, corals and sea anemones.

These toxins spanned the breadth of the animal kingdom, including ancient venomous groups such as centipedes, scorpions, spiders, coleoids (octopus, cuttlefish and squids) and cnidarians (jellyfish, sea anemones and hydras).

The comparative study is based on a comprehensive proteome analysis of isolated Cnidarian nematocysts by the Heidelberg researchers.

In evolutionary convergence, two genetically unrelated organisms evolve similar traits, and biologists at Heidelberg University have now uncovered an example of convergence at the subcellular level in unicellular organisms and cnidarians.

The sponge was indeed at the base of animal lineage, and just above it were the cnidarians, such as jellyfish, anemones, and corals.

Many different groups of animals, from stinging cnidarians to swimming snails, have independently become free swimming, gelatinous, and transparent.

Stylophora pistillata EST data are also stored at the Cnidarian Database of Centre Scientifique de Monaco: http://data.centrescientifique.mc/CSMdata-home.html.

Recent advances in sequencing cnidarian transcriptomes have revealed the unexpected genetic complexity of these morphologically simple basal organisms.

The emerging insights into cnidarian genomics also provides the opportunity to develop an array of tools that can be applied to better understand the physiology, molecular biology and cellular responses of coral.

The biota of Doushantuo comprises algae, multicellular thallophytes (seaweeds), acritarchs, and cyanophytes, poriferans (sponges), cnidarians, including possible tabulate corals.

Our analyses support the grouping of placozoans, cnidarians and bilaterians into a eumetazoan clade, with demosponges as an earlier - branching lineage25, and reject the diploblast — triploblast phylogeny17 in favour of a more conventional «sponges first» tree19, 20 (Fig. 1d).

Therefore, the second protein is likely a more divergent duplicate of the ancient Boule gene, specific to the Cnidarian lineage.

This indicates that portions of the 15 ancestral linkage groups inferred for the cnidarian — bilaterian ancestor22, 24 were already in place in the demosponge — eumetazoan ancestor.

Produced through spores and without insemination, myxozoa are related to cnidarians, what researchers define as being primitive marine species of great diversity.

Instead, the developers behind Incredipede and Pineapple Smash Crew have collaborated on one of the most bizarre and intriguing game concepts you'll see this year: an alien jellyfish procreation simulator set beneath the thick Venusian clouds, which challenges us to help an intrepid Cnidarian spread its seed and fertilise a variety of extraterrestrial flora.

Belonging to the phylum Cnidaria, hydra are part of a group of organisms known as cnidarians which include jellyfish and sea anemones.